Home / 299,090,768.40-448,636,152.60-196,970,115.60

Finding the Fourth Proportional to 299,090,768.40, 448,636,152.60 and 196,970,115.60

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Solution

The fourth proportional to 299,090,768.40, 448,636,152.60 and 196,970,115.60 is: 295,455,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,090,768.40 : 448,636,152.60 = 196,970,115.60 : x
  2. Step 2: Convert to fraction form
    299,090,768.40/448,636,152.60 = 196,970,115.60/x
  3. Step 3: Cross multiply
    299,090,768.40x = 448,636,152.60 × 196,970,115.60
  4. Step 4: Simplify right side
    299,090,768.40x = 88,367,914,839,961,248
  5. Step 5: Solve for x
    x = 88,367,914,839,961,248/299,090,768.40
  6. Step 6: Final answer
    x = 295,455,173.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.